diff options
Diffstat (limited to 'eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/properties/PropertyFactory.java')
| -rw-r--r-- | eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/properties/PropertyFactory.java | 750 |
1 files changed, 750 insertions, 0 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/properties/PropertyFactory.java b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/properties/PropertyFactory.java new file mode 100644 index 000000000..2b8cfbf43 --- /dev/null +++ b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/properties/PropertyFactory.java @@ -0,0 +1,750 @@ +/* + * Copyright (C) 2012 The Android Open Source Project + * + * Licensed under the Eclipse Public License, Version 1.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.eclipse.org/org/documents/epl-v10.php + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package com.android.ide.eclipse.adt.internal.editors.layout.properties; + +import static com.android.SdkConstants.ATTR_ID; +import static com.android.SdkConstants.ATTR_LAYOUT_MARGIN; +import static com.android.SdkConstants.ATTR_LAYOUT_RESOURCE_PREFIX; + +import com.android.annotations.Nullable; +import com.android.ide.common.api.IAttributeInfo; +import com.android.ide.common.api.IAttributeInfo.Format; +import com.android.ide.eclipse.adt.internal.editors.descriptors.AttributeDescriptor; +import com.android.ide.eclipse.adt.internal.editors.descriptors.DescriptorsUtils; +import com.android.ide.eclipse.adt.internal.editors.descriptors.SeparatorAttributeDescriptor; +import com.android.ide.eclipse.adt.internal.editors.descriptors.XmlnsAttributeDescriptor; +import com.android.ide.eclipse.adt.internal.editors.layout.descriptors.ViewElementDescriptor; +import com.android.ide.eclipse.adt.internal.editors.layout.gle2.CanvasViewInfo; +import com.android.ide.eclipse.adt.internal.editors.layout.gle2.GraphicalEditorPart; +import com.android.ide.eclipse.adt.internal.editors.layout.gre.ViewMetadataRepository; +import com.android.ide.eclipse.adt.internal.editors.layout.uimodel.UiViewElementNode; +import com.android.tools.lint.detector.api.LintUtils; +import com.google.common.collect.ArrayListMultimap; +import com.google.common.collect.Lists; +import com.google.common.collect.Maps; +import com.google.common.collect.Multimap; + +import org.eclipse.jface.dialogs.MessageDialog; +import org.eclipse.swt.SWT; +import org.eclipse.swt.events.SelectionAdapter; +import org.eclipse.swt.events.SelectionEvent; +import org.eclipse.swt.layout.GridData; +import org.eclipse.swt.layout.GridLayout; +import org.eclipse.swt.widgets.Composite; +import org.eclipse.swt.widgets.Label; +import org.eclipse.swt.widgets.Link; +import org.eclipse.ui.IWorkbench; +import org.eclipse.ui.PlatformUI; +import org.eclipse.ui.browser.IWebBrowser; +import org.eclipse.wb.internal.core.editor.structure.property.PropertyListIntersector; +import org.eclipse.wb.internal.core.model.property.ComplexProperty; +import org.eclipse.wb.internal.core.model.property.Property; +import org.eclipse.wb.internal.core.model.property.category.PropertyCategory; +import org.eclipse.wb.internal.core.model.property.editor.PropertyEditor; +import org.eclipse.wb.internal.core.model.property.editor.presentation.ButtonPropertyEditorPresentation; + +import java.net.URL; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collection; +import java.util.Collections; +import java.util.EnumSet; +import java.util.HashMap; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; +import java.util.WeakHashMap; + +/** + * The {@link PropertyFactory} creates (and caches) the set of {@link Property} + * instances applicable to a given node. It's also responsible for ordering + * these, and sometimes combining them into {@link ComplexProperty} category + * nodes. + * <p> + * TODO: For any properties that are *set* in XML, they should NOT be labeled as + * advanced (which would make them disappear) + */ +public class PropertyFactory { + /** Disable cache during development only */ + @SuppressWarnings("unused") + private static final boolean CACHE_ENABLED = true || !LintUtils.assertionsEnabled(); + static { + if (!CACHE_ENABLED) { + System.err.println("WARNING: The property cache is disabled"); + } + } + + private static final Property[] NO_PROPERTIES = new Property[0]; + + private static final int PRIO_FIRST = -100000; + private static final int PRIO_SECOND = PRIO_FIRST + 10; + private static final int PRIO_LAST = 100000; + + private final GraphicalEditorPart mGraphicalEditorPart; + private Map<UiViewElementNode, Property[]> mCache = + new WeakHashMap<UiViewElementNode, Property[]>(); + private UiViewElementNode mCurrentViewCookie; + + /** Sorting orders for the properties */ + public enum SortingMode { + NATURAL, + BY_ORIGIN, + ALPHABETICAL; + } + + /** The default sorting mode */ + public static final SortingMode DEFAULT_MODE = SortingMode.BY_ORIGIN; + + private SortingMode mSortMode = DEFAULT_MODE; + private SortingMode mCacheSortMode; + + public PropertyFactory(GraphicalEditorPart graphicalEditorPart) { + mGraphicalEditorPart = graphicalEditorPart; + } + + /** + * Get the properties for the given list of selection items. + * + * @param items the {@link CanvasViewInfo} instances to get an intersected + * property list for + * @return the properties for the given items + */ + public Property[] getProperties(List<CanvasViewInfo> items) { + mCurrentViewCookie = null; + + if (items == null || items.size() == 0) { + return NO_PROPERTIES; + } else if (items.size() == 1) { + CanvasViewInfo item = items.get(0); + mCurrentViewCookie = item.getUiViewNode(); + + return getProperties(item); + } else { + // intersect properties + PropertyListIntersector intersector = new PropertyListIntersector(); + for (CanvasViewInfo node : items) { + intersector.intersect(getProperties(node)); + } + + return intersector.getProperties(); + } + } + + private Property[] getProperties(CanvasViewInfo item) { + UiViewElementNode node = item.getUiViewNode(); + if (node == null) { + return NO_PROPERTIES; + } + + if (mCacheSortMode != mSortMode) { + mCacheSortMode = mSortMode; + mCache.clear(); + } + + Property[] properties = mCache.get(node); + if (!CACHE_ENABLED) { + properties = null; + } + if (properties == null) { + Collection<? extends Property> propertyList = getProperties(node); + if (propertyList == null) { + properties = new Property[0]; + } else { + properties = propertyList.toArray(new Property[propertyList.size()]); + } + mCache.put(node, properties); + } + return properties; + } + + + protected Collection<? extends Property> getProperties(UiViewElementNode node) { + ViewMetadataRepository repository = ViewMetadataRepository.get(); + ViewElementDescriptor viewDescriptor = (ViewElementDescriptor) node.getDescriptor(); + String fqcn = viewDescriptor.getFullClassName(); + Set<String> top = new HashSet<String>(repository.getTopAttributes(fqcn)); + AttributeDescriptor[] attributeDescriptors = node.getAttributeDescriptors(); + + List<XmlProperty> properties = new ArrayList<XmlProperty>(attributeDescriptors.length); + int priority = 0; + for (final AttributeDescriptor descriptor : attributeDescriptors) { + // TODO: Filter out non-public properties!! + // (They shouldn't be in the descriptors at all) + + assert !(descriptor instanceof SeparatorAttributeDescriptor); // No longer inserted + if (descriptor instanceof XmlnsAttributeDescriptor) { + continue; + } + + PropertyEditor editor = XmlPropertyEditor.INSTANCE; + IAttributeInfo info = descriptor.getAttributeInfo(); + if (info != null) { + EnumSet<Format> formats = info.getFormats(); + if (formats.contains(Format.BOOLEAN)) { + editor = BooleanXmlPropertyEditor.INSTANCE; + } else if (formats.contains(Format.ENUM)) { + // We deliberately don't use EnumXmlPropertyEditor.INSTANCE here, + // since some attributes (such as layout_width) can have not just one + // of the enum values but custom values such as "42dp" as well. And + // furthermore, we don't even bother limiting this to formats.size()==1, + // since the editing experience with the enum property editor is + // more limited than the text editor plus enum completer anyway + // (for example, you can't type to filter the values, and clearing + // the value is harder.) + } + } + + XmlProperty property = new XmlProperty(editor, this, node, descriptor); + // Assign ids sequentially. This ensures that the properties will mostly keep their + // relative order (such as placing width before height), even though we will regroup + // some (such as properties in the same category, and the layout params etc) + priority += 10; + + PropertyCategory category = PropertyCategory.NORMAL; + String name = descriptor.getXmlLocalName(); + if (top.contains(name) || PropertyMetadata.isPreferred(name)) { + category = PropertyCategory.PREFERRED; + property.setPriority(PRIO_FIRST + priority); + } else { + property.setPriority(priority); + + // Prefer attributes defined on the specific type of this + // widget + // NOTE: This doesn't work very well for TextViews + /* IAttributeInfo attributeInfo = descriptor.getAttributeInfo(); + if (attributeInfo != null && fqcn.equals(attributeInfo.getDefinedBy())) { + category = PropertyCategory.PREFERRED; + } else*/ if (PropertyMetadata.isAdvanced(name)) { + category = PropertyCategory.ADVANCED; + } + } + if (category != null) { + property.setCategory(category); + } + properties.add(property); + } + + switch (mSortMode) { + case BY_ORIGIN: + return sortByOrigin(node, properties); + + case ALPHABETICAL: + return sortAlphabetically(node, properties); + + default: + case NATURAL: + return sortNatural(node, properties); + } + } + + protected Collection<? extends Property> sortAlphabetically( + UiViewElementNode node, + List<XmlProperty> properties) { + Collections.sort(properties, Property.ALPHABETICAL); + return properties; + } + + protected Collection<? extends Property> sortByOrigin( + UiViewElementNode node, + List<XmlProperty> properties) { + List<Property> collapsed = new ArrayList<Property>(properties.size()); + List<Property> layoutProperties = Lists.newArrayListWithExpectedSize(20); + List<Property> marginProperties = null; + List<Property> deprecatedProperties = null; + Map<String, ComplexProperty> categoryToProperty = new HashMap<String, ComplexProperty>(); + Multimap<String, Property> categoryToProperties = ArrayListMultimap.create(); + + if (properties.isEmpty()) { + return properties; + } + + ViewElementDescriptor parent = (ViewElementDescriptor) properties.get(0).getDescriptor() + .getParent(); + Map<String, Integer> categoryPriorities = Maps.newHashMap(); + int nextCategoryPriority = 100; + while (parent != null) { + categoryPriorities.put(parent.getFullClassName(), nextCategoryPriority += 100); + parent = parent.getSuperClassDesc(); + } + + for (int i = 0, max = properties.size(); i < max; i++) { + XmlProperty property = properties.get(i); + + AttributeDescriptor descriptor = property.getDescriptor(); + if (descriptor.isDeprecated()) { + if (deprecatedProperties == null) { + deprecatedProperties = Lists.newArrayListWithExpectedSize(10); + } + deprecatedProperties.add(property); + continue; + } + + String firstName = descriptor.getXmlLocalName(); + if (firstName.startsWith(ATTR_LAYOUT_RESOURCE_PREFIX)) { + if (firstName.startsWith(ATTR_LAYOUT_MARGIN)) { + if (marginProperties == null) { + marginProperties = Lists.newArrayListWithExpectedSize(5); + } + marginProperties.add(property); + } else { + layoutProperties.add(property); + } + continue; + } + + if (firstName.equals(ATTR_ID)) { + // Add id to the front (though the layout parameters will be added to + // the front of this at the end) + property.setPriority(PRIO_FIRST); + collapsed.add(property); + continue; + } + + if (property.getCategory() == PropertyCategory.PREFERRED) { + collapsed.add(property); + // Fall through: these are *duplicated* inside their defining categories! + // However, create a new instance of the property, such that the propertysheet + // doesn't see the same property instance twice (when selected, it will highlight + // both, etc.) Also, set the category to Normal such that we don't draw attention + // to it again. We want it to appear in both places such that somebody looking + // within a category will always find it there, even if for this specific + // view type it's a common attribute and replicated up at the top. + XmlProperty oldProperty = property; + property = new XmlProperty(oldProperty.getEditor(), this, node, + oldProperty.getDescriptor()); + property.setPriority(oldProperty.getPriority()); + } + + IAttributeInfo attributeInfo = descriptor.getAttributeInfo(); + if (attributeInfo != null && attributeInfo.getDefinedBy() != null) { + String category = attributeInfo.getDefinedBy(); + ComplexProperty complex = categoryToProperty.get(category); + if (complex == null) { + complex = new ComplexProperty( + category.substring(category.lastIndexOf('.') + 1), + "[]", + null /* properties */); + categoryToProperty.put(category, complex); + Integer categoryPriority = categoryPriorities.get(category); + if (categoryPriority != null) { + complex.setPriority(categoryPriority); + } else { + // Descriptor for an attribute whose definedBy does *not* + // correspond to one of the known superclasses of this widget. + // This sometimes happens; for example, a RatingBar will pull in + // an ImageView's minWidth attribute. Probably an error in the + // metadata, but deal with it gracefully here. + categoryPriorities.put(category, nextCategoryPriority += 100); + complex.setPriority(nextCategoryPriority); + } + } + categoryToProperties.put(category, property); + continue; + } else { + collapsed.add(property); + } + } + + // Update the complex properties + for (String category : categoryToProperties.keySet()) { + Collection<Property> subProperties = categoryToProperties.get(category); + if (subProperties.size() > 1) { + ComplexProperty complex = categoryToProperty.get(category); + assert complex != null : category; + Property[] subArray = new Property[subProperties.size()]; + complex.setProperties(subProperties.toArray(subArray)); + //complex.setPriority(subArray[0].getPriority()); + + collapsed.add(complex); + + boolean allAdvanced = true; + boolean isPreferred = false; + for (Property p : subProperties) { + PropertyCategory c = p.getCategory(); + if (c != PropertyCategory.ADVANCED) { + allAdvanced = false; + } + if (c == PropertyCategory.PREFERRED) { + isPreferred = true; + } + } + if (isPreferred) { + complex.setCategory(PropertyCategory.PREFERRED); + } else if (allAdvanced) { + complex.setCategory(PropertyCategory.ADVANCED); + } + } else if (subProperties.size() == 1) { + collapsed.add(subProperties.iterator().next()); + } + } + + if (layoutProperties.size() > 0 || marginProperties != null) { + if (marginProperties != null) { + XmlProperty[] m = + marginProperties.toArray(new XmlProperty[marginProperties.size()]); + Property marginProperty = new ComplexProperty( + "Margins", + "[]", + m); + layoutProperties.add(marginProperty); + marginProperty.setPriority(PRIO_LAST); + + for (XmlProperty p : m) { + p.setParent(marginProperty); + } + } + Property[] l = layoutProperties.toArray(new Property[layoutProperties.size()]); + Arrays.sort(l, Property.PRIORITY); + Property property = new ComplexProperty( + "Layout Parameters", + "[]", + l); + for (Property p : l) { + if (p instanceof XmlProperty) { + ((XmlProperty) p).setParent(property); + } + } + property.setCategory(PropertyCategory.PREFERRED); + collapsed.add(property); + property.setPriority(PRIO_SECOND); + } + + if (deprecatedProperties != null && deprecatedProperties.size() > 0) { + Property property = new ComplexProperty( + "Deprecated", + "(Deprecated Properties)", + deprecatedProperties.toArray(new Property[deprecatedProperties.size()])); + property.setPriority(PRIO_LAST); + collapsed.add(property); + } + + Collections.sort(collapsed, Property.PRIORITY); + + return collapsed; + } + + protected Collection<? extends Property> sortNatural( + UiViewElementNode node, + List<XmlProperty> properties) { + Collections.sort(properties, Property.ALPHABETICAL); + List<Property> collapsed = new ArrayList<Property>(properties.size()); + List<Property> layoutProperties = Lists.newArrayListWithExpectedSize(20); + List<Property> marginProperties = null; + List<Property> deprecatedProperties = null; + Map<String, ComplexProperty> categoryToProperty = new HashMap<String, ComplexProperty>(); + Multimap<String, Property> categoryToProperties = ArrayListMultimap.create(); + + for (int i = 0, max = properties.size(); i < max; i++) { + XmlProperty property = properties.get(i); + + AttributeDescriptor descriptor = property.getDescriptor(); + if (descriptor.isDeprecated()) { + if (deprecatedProperties == null) { + deprecatedProperties = Lists.newArrayListWithExpectedSize(10); + } + deprecatedProperties.add(property); + continue; + } + + String firstName = descriptor.getXmlLocalName(); + if (firstName.startsWith(ATTR_LAYOUT_RESOURCE_PREFIX)) { + if (firstName.startsWith(ATTR_LAYOUT_MARGIN)) { + if (marginProperties == null) { + marginProperties = Lists.newArrayListWithExpectedSize(5); + } + marginProperties.add(property); + } else { + layoutProperties.add(property); + } + continue; + } + + if (firstName.equals(ATTR_ID)) { + // Add id to the front (though the layout parameters will be added to + // the front of this at the end) + property.setPriority(PRIO_FIRST); + collapsed.add(property); + continue; + } + + String category = PropertyMetadata.getCategory(firstName); + if (category != null) { + ComplexProperty complex = categoryToProperty.get(category); + if (complex == null) { + complex = new ComplexProperty( + category, + "[]", + null /* properties */); + categoryToProperty.put(category, complex); + complex.setPriority(property.getPriority()); + } + categoryToProperties.put(category, property); + continue; + } + + // Index of second word in the first name, so in fooBar it's 3 (index of 'B') + int firstNameIndex = firstName.length(); + for (int k = 0, kn = firstName.length(); k < kn; k++) { + if (Character.isUpperCase(firstName.charAt(k))) { + firstNameIndex = k; + break; + } + } + + // Scout forwards and see how many properties we can combine + int j = i + 1; + if (property.getCategory() != PropertyCategory.PREFERRED + && !property.getDescriptor().isDeprecated()) { + for (; j < max; j++) { + XmlProperty next = properties.get(j); + String nextName = next.getName(); + if (nextName.regionMatches(0, firstName, 0, firstNameIndex) + // Also make sure we begin the second word at the next + // character; if not, we could have something like + // scrollBar + // scrollingBehavior + && nextName.length() > firstNameIndex + && Character.isUpperCase(nextName.charAt(firstNameIndex))) { + + // Deprecated attributes, and preferred attributes, should not + // be pushed into normal clusters (preferred stay top-level + // and sort to the top, deprecated are all put in the same cluster at + // the end) + + if (next.getCategory() == PropertyCategory.PREFERRED) { + break; + } + if (next.getDescriptor().isDeprecated()) { + break; + } + + // This property should be combined with the previous + // property + } else { + break; + } + } + } + if (j - i > 1) { + // Combining multiple properties: all the properties from i + // through j inclusive + XmlProperty[] subprops = new XmlProperty[j - i]; + for (int k = i, index = 0; k < j; k++, index++) { + subprops[index] = properties.get(k); + } + Arrays.sort(subprops, Property.PRIORITY); + + // See if we can compute a LONGER base than just the first word. + // For example, if we have "lineSpacingExtra" and "lineSpacingMultiplier" + // we'd like the base to be "lineSpacing", not "line". + int common = firstNameIndex; + for (int k = firstNameIndex + 1, n = firstName.length(); k < n; k++) { + if (Character.isUpperCase(firstName.charAt(k))) { + common = k; + break; + } + } + if (common > firstNameIndex) { + for (int k = 0, n = subprops.length; k < n; k++) { + String nextName = subprops[k].getName(); + if (nextName.regionMatches(0, firstName, 0, common) + // Also make sure we begin the second word at the next + // character; if not, we could have something like + // scrollBar + // scrollingBehavior + && nextName.length() > common + && Character.isUpperCase(nextName.charAt(common))) { + // New prefix is okay + } else { + common = firstNameIndex; + break; + } + } + firstNameIndex = common; + } + + String base = firstName.substring(0, firstNameIndex); + base = DescriptorsUtils.capitalize(base); + Property complexProperty = new ComplexProperty( + base, + "[]", + subprops); + complexProperty.setPriority(subprops[0].getPriority()); + //complexProperty.setCategory(PropertyCategory.PREFERRED); + collapsed.add(complexProperty); + boolean allAdvanced = true; + boolean isPreferred = false; + for (XmlProperty p : subprops) { + p.setParent(complexProperty); + PropertyCategory c = p.getCategory(); + if (c != PropertyCategory.ADVANCED) { + allAdvanced = false; + } + if (c == PropertyCategory.PREFERRED) { + isPreferred = true; + } + } + if (isPreferred) { + complexProperty.setCategory(PropertyCategory.PREFERRED); + } else if (allAdvanced) { + complexProperty.setCategory(PropertyCategory.PREFERRED); + } + } else { + // Add the individual properties (usually 1, sometimes 2 + for (int k = i; k < j; k++) { + collapsed.add(properties.get(k)); + } + } + + i = j - 1; // -1: compensate in advance for the for-loop adding 1 + } + + // Update the complex properties + for (String category : categoryToProperties.keySet()) { + Collection<Property> subProperties = categoryToProperties.get(category); + if (subProperties.size() > 1) { + ComplexProperty complex = categoryToProperty.get(category); + assert complex != null : category; + Property[] subArray = new Property[subProperties.size()]; + complex.setProperties(subProperties.toArray(subArray)); + complex.setPriority(subArray[0].getPriority()); + collapsed.add(complex); + + boolean allAdvanced = true; + boolean isPreferred = false; + for (Property p : subProperties) { + PropertyCategory c = p.getCategory(); + if (c != PropertyCategory.ADVANCED) { + allAdvanced = false; + } + if (c == PropertyCategory.PREFERRED) { + isPreferred = true; + } + } + if (isPreferred) { + complex.setCategory(PropertyCategory.PREFERRED); + } else if (allAdvanced) { + complex.setCategory(PropertyCategory.ADVANCED); + } + } else if (subProperties.size() == 1) { + collapsed.add(subProperties.iterator().next()); + } + } + + if (layoutProperties.size() > 0 || marginProperties != null) { + if (marginProperties != null) { + XmlProperty[] m = + marginProperties.toArray(new XmlProperty[marginProperties.size()]); + Property marginProperty = new ComplexProperty( + "Margins", + "[]", + m); + layoutProperties.add(marginProperty); + marginProperty.setPriority(PRIO_LAST); + + for (XmlProperty p : m) { + p.setParent(marginProperty); + } + } + Property[] l = layoutProperties.toArray(new Property[layoutProperties.size()]); + Arrays.sort(l, Property.PRIORITY); + Property property = new ComplexProperty( + "Layout Parameters", + "[]", + l); + for (Property p : l) { + if (p instanceof XmlProperty) { + ((XmlProperty) p).setParent(property); + } + } + property.setCategory(PropertyCategory.PREFERRED); + collapsed.add(property); + property.setPriority(PRIO_SECOND); + } + + if (deprecatedProperties != null && deprecatedProperties.size() > 0) { + Property property = new ComplexProperty( + "Deprecated", + "(Deprecated Properties)", + deprecatedProperties.toArray(new Property[deprecatedProperties.size()])); + property.setPriority(PRIO_LAST); + collapsed.add(property); + } + + Collections.sort(collapsed, Property.PRIORITY); + + return collapsed; + } + + @Nullable + GraphicalEditorPart getGraphicalEditor() { + return mGraphicalEditorPart; + } + + // HACK: This should be passed into each property instead + public Object getCurrentViewObject() { + return mCurrentViewCookie; + } + + public void setSortingMode(SortingMode sortingMode) { + mSortMode = sortingMode; + } + + // https://bugs.eclipse.org/bugs/show_bug.cgi?id=388574 + public static Composite addWorkaround(Composite parent) { + if (ButtonPropertyEditorPresentation.isInWorkaround) { + Composite top = new Composite(parent, SWT.NONE); + top.setLayout(new GridLayout(1, false)); + Label label = new Label(top, SWT.WRAP); + label.setText( + "This dialog is shown instead of an inline text editor as a\n" + + "workaround for an Eclipse bug specific to OSX Mountain Lion.\n" + + "It should be fixed in Eclipse 4.3."); + label.setForeground(top.getDisplay().getSystemColor(SWT.COLOR_RED)); + GridData data = new GridData(); + data.grabExcessVerticalSpace = false; + data.grabExcessHorizontalSpace = false; + data.horizontalAlignment = GridData.FILL; + data.verticalAlignment = GridData.BEGINNING; + label.setLayoutData(data); + + Link link = new Link(top, SWT.NO_FOCUS); + link.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, false, false, 1, 1)); + link.setText("<a>https://bugs.eclipse.org/bugs/show_bug.cgi?id=388574</a>"); + link.addSelectionListener(new SelectionAdapter() { + @Override + public void widgetSelected(SelectionEvent event) { + try { + IWorkbench workbench = PlatformUI.getWorkbench(); + IWebBrowser browser = workbench.getBrowserSupport().getExternalBrowser(); + browser.openURL(new URL(event.text)); + } catch (Exception e) { + String message = String.format( + "Could not open browser. Vist\n%1$s\ninstead.", + event.text); + MessageDialog.openError(((Link)event.getSource()).getShell(), + "Browser Error", message); + } + } + }); + + return top; + } + + return null; + } +} |